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Finding the Fourth Proportional to 223.76, 335.76 and 95.60

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Solution

The fourth proportional to 223.76, 335.76 and 95.60 is: 143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.76 : 335.76 = 95.60 : x
  2. Step 2: Convert to fraction form
    223.76/335.76 = 95.60/x
  3. Step 3: Cross multiply
    223.76x = 335.76 × 95.60
  4. Step 4: Simplify right side
    223.76x = 32,098.66
  5. Step 5: Solve for x
    x = 32,098.66/223.76
  6. Step 6: Final answer
    x = 143.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.